SECTION
8
: V
ENTING
37
8
.3 Horizontal Ventin
g
In noncomb
u
stible
w
alls only,
v
ent terminal
(P/N 02537801-1P) may be
u
sed.
For 4'' (10 cm)
v
ents in either comb
u
stible or
noncomb
u
stible
w
alls,
u
se Tjernl
u
nd VH1-4 (P/N
90502100) or eq
u
i
v
alent ins
u
lated
v
ent terminal.
Follo
w
the man
u
fact
u
rer's instr
u
ctions for proper
installation.
For 6'' (15 cm) common
v
ents in either comb
u
stible
or noncomb
u
stible
w
alls,
u
se Tjernl
u
nd VH1-6 (P/N
90502101) or eq
u
i
v
alent ins
u
lated
v
ent terminal.
Follo
w
the man
u
fact
u
rer's instr
u
ctions for proper
installation.
8
.4 Vertical Ventin
g
For 4'' (10 cm), an appro
v
ed
v
ent cap
(P/N 90502300) m
u
st be
u
sed.
For 6'' (15 cm) common
v
ent, an appro
v
ed
v
ent cap
(P/N 90502302) m
u
st be
u
sed.
For common
v
ertical
v
enting of more than t
w
o
.
A
v
ent shall not extend less than 2' (.6m) abo
v
e the
highest point
w
here it passes thro
u
gh a flat roof of a
b
u
ilding.
8
.5 Unvented Operation Tube Termination
T
u
rndo
w
n type
v
ent terminal
w
ith a screen m
u
st be
installed at the exha
u
st end of the t
u
be. Vent terminal
design shall not incorporate backdraft flap.
FIGURE 23: Tube Termination
8
.6 Len
g
th Re
q
uirements
The maxim
u
m
v
ent length allo
w
ed is 45' (13.7 m).
The maxim
u
m o
u
tside air s
u
pply d
u
ct length allo
w
ed
is 45' (13.7 m).
The total
v
ent length, pl
u
s o
u
tside air d
u
ct length,
pl
u
s any extensions to minim
u
m heat exchanger
lengths, cannot exceed 65' (19.8 m).
Vent length sho
u
ld be limited to less than 20' (6 m). If
u
sing
v
ent lengths greater than 20' (6 m),
condensation
w
ill form in the
v
ent pipe. Ins
u
lation
and additional sealing meas
u
res (high temperat
u
re
silicone at all seams) are req
u
ired. Optional heat
exchanger beyond minim
u
m lengths is considered as
v
ent length for length determination.
S
u
btract 15' (4.6 m) of maxim
u
m allo
w
ed
v
ent or d
u
ct
length per
v
ent elbo
w
if more than t
w
o are
u
sed.
8
.6.1 Vent Material Recommendations
Vent recommendations:
1. Porcelain coated t
u
bing 4'' (10 cm) O.D.
(P/N 9141030D)
2. Heat treated al
u
minized t
u
bing 4'' (10 cm) O.D.
(P/N 91409408)
Heat treated al
u
minized t
u
bing 6'' (15 cm) O.D.
(P/N E0009105)
3. Single
w
all fl
u
e pipe - minim
u
m 26 ga.
(S
u
pplied by others)
NOTE:
4" (10 cm) O.D. Porcelain coated t
u
bing (P/N
9141030D), 4" (10 cm) O.D. Heat treated al
u
minized
t
u
bing (P/N 91409408), and 6" (15 cm) O.D. Heat
treated al
u
minized t
u
bing (P/N E0009105) are eq
u
i
v
-
alent to single
w
all fl
u
e pipe.
8
.7 Horizontal Ventilation 4" (10 cm) Pipe
4" (10 cm)
Single Wall Pipe
Vent Adapter
Vent Terminal
Combustible or
Non-Combustible Wall
Vent Adapter
18" (46 cm)
Min.
Vent Terminal
4" (10 cm) Single Wall Pipe
Non-Combustible Wall Only
SIDE VIEW
Description
Part Number
Vent Terminal (Comb. Wall)
90502100
Vent Terminal
02537801-XX
Summary of Contents for Vantage CTH2V-100
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